Bolide SVR9008CHDP Kit Complete 960H P2P Security DVR System with Remote Viewing Bullet Cameras and Cables (Black) 8 Channel 960H 1080p DVR with Pre-installed 1TB Hard Drive 6 High Definition 800TVL weatherproof Day Night IR color Cameras Support Double Encode bit network transmission. Support Zoom in/out and sequence function. H.264 Video compression format; support 960H resolution; G.711 audio compression format. Windows graphical interface; embedded real-time Linux 2.6 Operation system Friendly menu reminder with multiple operation modes(preview, record, playback, backup, network surveillance and mobile phone monitoring). Real time monitoring: double video output; with monitor, VGA virtual output port or HDMI output.